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◆ test_lwline_split_by_point_to()

static void test_lwline_split_by_point_to ( void  )
static

Definition at line 20 of file cu_split.c.

21{
22 LWLINE *line;
23 LWPOINT *point;
24 LWMLINE *coll;
25 int ret;
26
27 /* Because i don't trust that much prior tests... ;) */
28 cu_error_msg_reset();
29
30 coll = lwmline_construct_empty(SRID_UNKNOWN, 0, 0);
31 CU_ASSERT_EQUAL(coll->ngeoms, 0);
32
33 line = lwgeom_as_lwline(lwgeom_from_wkt("LINESTRING(0 0,5 5, 10 0)",
34 LW_PARSER_CHECK_NONE));
35 CU_ASSERT(line != NULL);
36
37 point = lwgeom_as_lwpoint(lwgeom_from_wkt(
38 "POINT(0 0)",
39 LW_PARSER_CHECK_NONE));
40 ret = lwline_split_by_point_to(line, point, coll);
41 CU_ASSERT_EQUAL(ret, 1);
42 CU_ASSERT_EQUAL(coll->ngeoms, 0);
43 lwpoint_free(point);
44
45 point = lwgeom_as_lwpoint(lwgeom_from_wkt(
46 "POINT(10 0)",
47 LW_PARSER_CHECK_NONE));
48 ret = lwline_split_by_point_to(line, point, coll);
49 CU_ASSERT_EQUAL(ret, 1);
50 CU_ASSERT_EQUAL(coll->ngeoms, 0);
51 lwpoint_free(point);
52
53 point = lwgeom_as_lwpoint(lwgeom_from_wkt(
54 "POINT(5 0)",
55 LW_PARSER_CHECK_NONE));
56 ret = lwline_split_by_point_to(line, point, coll);
57 CU_ASSERT_EQUAL(ret, 0);
58 CU_ASSERT_EQUAL(coll->ngeoms, 0);
59 lwpoint_free(point);
60
61 point = lwgeom_as_lwpoint(lwgeom_from_wkt(
62 "POINT(5 5)",
63 LW_PARSER_CHECK_NONE));
64 ret = lwline_split_by_point_to(line, point, coll);
65 CU_ASSERT_EQUAL(ret, 2);
66 CU_ASSERT_EQUAL(coll->ngeoms, 2);
67 lwpoint_free(point);
68
69 point = lwgeom_as_lwpoint(lwgeom_from_wkt(
70 "POINT(2 2)",
71 LW_PARSER_CHECK_NONE));
72 ret = lwline_split_by_point_to(line, point, coll);
73 CU_ASSERT_EQUAL(ret, 2);
74 CU_ASSERT_EQUAL(coll->ngeoms, 4);
75 lwpoint_free(point);
76
77 lwline_free(line);
78
79 line = lwgeom_as_lwline(lwgeom_from_wkt("LINESTRING EMPTY",
80 LW_PARSER_CHECK_NONE));
81 CU_ASSERT(line != NULL);
82 point = lwgeom_as_lwpoint(lwgeom_from_wkt(
83 "POINT(0 0)", LW_PARSER_CHECK_NONE));
84 CU_ASSERT(point != NULL);
85 ret = lwline_split_by_point_to(line, point, coll);
86 CU_ASSERT_EQUAL(ret, 0); /* the point is not on the line */
87 lwpoint_free(point);
88 lwline_free(line);
89
90 lwcollection_free((LWCOLLECTION*)coll);
91}
cu_error_msg_reset
void cu_error_msg_reset()
Definition liblwgeom/cunit/cu_tester.c:307
lwpoint_free
void lwpoint_free(LWPOINT *pt)
Definition lwpoint.c:213
LW_PARSER_CHECK_NONE
#define LW_PARSER_CHECK_NONE
Definition liblwgeom.h:2149
lwmline_construct_empty
LWMLINE * lwmline_construct_empty(int32_t srid, char hasz, char hasm)
Definition lwmline.c:38
lwcollection_free
void lwcollection_free(LWCOLLECTION *col)
Definition lwcollection.c:357
lwgeom_as_lwline
LWLINE * lwgeom_as_lwline(const LWGEOM *lwgeom)
Definition lwgeom.c:207
SRID_UNKNOWN
#define SRID_UNKNOWN
Unknown SRID value.
Definition liblwgeom.h:215
lwgeom_from_wkt
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition lwin_wkt.c:940
lwline_free
void lwline_free(LWLINE *line)
Definition lwline.c:67
lwline_split_by_point_to
int lwline_split_by_point_to(const LWLINE *ln, const LWPOINT *pt, LWMLINE *to)
Split a line by a point and push components to the provided multiline.
Definition lwgeom_geos_split.c:209
lwgeom_as_lwpoint
static LWPOINT * lwgeom_as_lwpoint(const LWGEOM *lwgeom)
Definition lwinline.h:127
LWMLINE::ngeoms
uint32_t ngeoms
Definition liblwgeom.h:552

References cu_error_msg_reset(), LW_PARSER_CHECK_NONE, lwcollection_free(), lwgeom_as_lwline(), lwgeom_as_lwpoint(), lwgeom_from_wkt(), lwline_free(), lwline_split_by_point_to(), lwmline_construct_empty(), lwpoint_free(), LWMLINE::ngeoms, and SRID_UNKNOWN.

Referenced by split_suite_setup().

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